Home / 479,367,258.39-719,258,035.41-257,779,605

Finding the Fourth Proportional to 479,367,258.39, 719,258,035.41 and 257,779,605

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Solution

The fourth proportional to 479,367,258.39, 719,258,035.41 and 257,779,605 is: 386,780,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,367,258.39 : 719,258,035.41 = 257,779,605 : x
  2. Step 2: Convert to fraction form
    479,367,258.39/719,258,035.41 = 257,779,605/x
  3. Step 3: Cross multiply
    479,367,258.39x = 719,258,035.41 × 257,779,605
  4. Step 4: Simplify right side
    479,367,258.39x = 185,410,052,261,065,792
  5. Step 5: Solve for x
    x = 185,410,052,261,065,792/479,367,258.39
  6. Step 6: Final answer
    x = 386,780,801.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.